package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.annotation.AutoFill;
import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface DishMapper {

    /**
     * 根据分类id查询菜品数量
     * @param categoryId
     * @return
     */
    @Select("select count(id) from dish where category_id = #{categoryId}")
    Integer countByCategoryId(Long categoryId);

    /**
     * 新增菜品
     */
    @AutoFill(OperationType.INSERT)
    void insert(Dish dish);

    /**
     * 菜品分页查询
     */
    Page<DishVO> pageQuery(DishPageQueryDTO dishPageQueryDTO);

    /**
     * 根据分类id查询 分类名
     * @param categoryId
     * @return
     */
    String selectTypeById(@Param("categoryId") Long categoryId);

    /**
     * 根据菜品id查询菜品状态
     * @param id
     * @return
     */

    @Select("select status from dish where id = #{id}")
    Integer selectStatusById(Long id);

    void delete(Long id);

    DishVO getDishById(Long id);

    @AutoFill(value = OperationType.UPDATE)
    void updateDish(Dish dish);

    @Select("select * from dish where category_id = #{categoryId} and status = 1")
    List<Dish> getDishListByCategoryId(Long categoryId);
}
